"New York Gov. Andrew Cuomo, center, speaks at a news conference Friday in New York. At left is Dr. Howard Zucker, acting commissioner of the New York State Department of Health, and New Jersey Gov. Chris Christie is at right. The governors announced a mandatory quarantine for people returning to the United States through airports in New York and New Jersey who are deemed ""high risk."" In the first application of the new set of standards, the states are quarantining a female healthcare worker returning from Africa who took care of Ebola patients."